Can't last ten slow strokes? Watch this sexy teen in action

Stepbrother\'s got a serious problem with his stepsister\'s tight ass. He\'s been trying to resist, but it\'s just too damn hot. When she\'s not around, he sneaks into her room for a little self-pleasure. Watch as he tries to last more than 10 pumps, but the tension is so high, it\'s hard to tell.